<?php
class StaticSave{
	public static $data;
	
	static public function set($key, $value){
		self::$data[$key] = $value;
	}
	
	static public function get($key){
		return self::$data[$key];
	}
}

class InstanceSave{
	public $data;
	
	public function set($key, $value){
		$this->data[$key] = $value;
	}
	
	public function get($key){
		return $this->data[$key];
	}
}
?>